Attempt 983 at the light bulb (readerwriter plugin)

[Ruan Strydom]

> Have you thought of defining the Q_PROPERTY in QObjects? That would be
>  nice.
> 
> Looks nice, btw :)
> 
> Aleix

Yes it does it, but the class must have Q_OBJECT and #include <QObject>  else 
the option does not show.

Cheers